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<a class="jxr_linenumber" name="1" href="#1">1</a>   
<a class="jxr_linenumber" name="2" href="#2">2</a>   <strong class="jxr_keyword">package</strong> org.inftel.ssa.mobile.util;
<a class="jxr_linenumber" name="3" href="#3">3</a>   
<a class="jxr_linenumber" name="4" href="#4">4</a>   <strong class="jxr_keyword">import</strong> java.util.ArrayList;
<a class="jxr_linenumber" name="5" href="#5">5</a>   <strong class="jxr_keyword">import</strong> java.util.Arrays;
<a class="jxr_linenumber" name="6" href="#6">6</a>   <strong class="jxr_keyword">import</strong> java.util.Map;
<a class="jxr_linenumber" name="7" href="#7">7</a>   
<a class="jxr_linenumber" name="8" href="#8">8</a>   <strong class="jxr_keyword">import</strong> android.content.ContentValues;
<a class="jxr_linenumber" name="9" href="#9">9</a>   <strong class="jxr_keyword">import</strong> android.database.Cursor;
<a class="jxr_linenumber" name="10" href="#10">10</a>  <strong class="jxr_keyword">import</strong> android.database.sqlite.SQLiteDatabase;
<a class="jxr_linenumber" name="11" href="#11">11</a>  <strong class="jxr_keyword">import</strong> android.text.TextUtils;
<a class="jxr_linenumber" name="12" href="#12">12</a>  <strong class="jxr_keyword">import</strong> android.util.Log;
<a class="jxr_linenumber" name="13" href="#13">13</a>  
<a class="jxr_linenumber" name="14" href="#14">14</a>  <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="15" href="#15">15</a>  <em class="jxr_javadoccomment"> * Helper for building selection clauses for {@link SQLiteDatabase}. Each</em>
<a class="jxr_linenumber" name="16" href="#16">16</a>  <em class="jxr_javadoccomment"> * appended clause is combined using {@code AND}. This class is &lt;em&gt;not&lt;/em&gt;</em>
<a class="jxr_linenumber" name="17" href="#17">17</a>  <em class="jxr_javadoccomment"> * thread safe.</em>
<a class="jxr_linenumber" name="18" href="#18">18</a>  <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="19" href="#19">19</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/inftel/ssa/mobile/util/SelectionBuilder.html">SelectionBuilder</a> {
<a class="jxr_linenumber" name="20" href="#20">20</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String TAG = <span class="jxr_string">"SelectionBuilder"</span>;
<a class="jxr_linenumber" name="21" href="#21">21</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">boolean</strong> LOGV = false;
<a class="jxr_linenumber" name="22" href="#22">22</a>  
<a class="jxr_linenumber" name="23" href="#23">23</a>      <strong class="jxr_keyword">private</strong> String mTable = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="24" href="#24">24</a>      <strong class="jxr_keyword">private</strong> Map&lt;String, String&gt; mProjectionMap = Maps.newHashMap();
<a class="jxr_linenumber" name="25" href="#25">25</a>      <strong class="jxr_keyword">private</strong> StringBuilder mSelection = <strong class="jxr_keyword">new</strong> StringBuilder();
<a class="jxr_linenumber" name="26" href="#26">26</a>      <strong class="jxr_keyword">private</strong> ArrayList&lt;String&gt; mSelectionArgs = Lists.newArrayList();
<a class="jxr_linenumber" name="27" href="#27">27</a>  
<a class="jxr_linenumber" name="28" href="#28">28</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="29" href="#29">29</a>  <em class="jxr_javadoccomment">     * Reset any internal state, allowing this builder to be recycled.</em>
<a class="jxr_linenumber" name="30" href="#30">30</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="31" href="#31">31</a>      <strong class="jxr_keyword">public</strong> <a href="../../../../../org/inftel/ssa/mobile/util/SelectionBuilder.html">SelectionBuilder</a> reset() {
<a class="jxr_linenumber" name="32" href="#32">32</a>          mTable = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="33" href="#33">33</a>          mSelection.setLength(0);
<a class="jxr_linenumber" name="34" href="#34">34</a>          mSelectionArgs.clear();
<a class="jxr_linenumber" name="35" href="#35">35</a>          <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">this</strong>;
<a class="jxr_linenumber" name="36" href="#36">36</a>      }
<a class="jxr_linenumber" name="37" href="#37">37</a>  
<a class="jxr_linenumber" name="38" href="#38">38</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="39" href="#39">39</a>  <em class="jxr_javadoccomment">     * Append the given selection clause to the internal state. Each clause is</em>
<a class="jxr_linenumber" name="40" href="#40">40</a>  <em class="jxr_javadoccomment">     * surrounded with parenthesis and combined using {@code AND}.</em>
<a class="jxr_linenumber" name="41" href="#41">41</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="42" href="#42">42</a>      <strong class="jxr_keyword">public</strong> <a href="../../../../../org/inftel/ssa/mobile/util/SelectionBuilder.html">SelectionBuilder</a> where(String selection, String... selectionArgs) {
<a class="jxr_linenumber" name="43" href="#43">43</a>          <strong class="jxr_keyword">if</strong> (TextUtils.isEmpty(selection)) {
<a class="jxr_linenumber" name="44" href="#44">44</a>              <strong class="jxr_keyword">if</strong> (selectionArgs != <strong class="jxr_keyword">null</strong> &amp;&amp; selectionArgs.length &gt; 0) {
<a class="jxr_linenumber" name="45" href="#45">45</a>                  <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException(
<a class="jxr_linenumber" name="46" href="#46">46</a>                          <span class="jxr_string">"Valid selection required when including arguments="</span>);
<a class="jxr_linenumber" name="47" href="#47">47</a>              }
<a class="jxr_linenumber" name="48" href="#48">48</a>  
<a class="jxr_linenumber" name="49" href="#49">49</a>              <em class="jxr_comment">// Shortcut when clause is empty</em>
<a class="jxr_linenumber" name="50" href="#50">50</a>              <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">this</strong>;
<a class="jxr_linenumber" name="51" href="#51">51</a>          }
<a class="jxr_linenumber" name="52" href="#52">52</a>  
<a class="jxr_linenumber" name="53" href="#53">53</a>          <strong class="jxr_keyword">if</strong> (mSelection.length() &gt; 0) {
<a class="jxr_linenumber" name="54" href="#54">54</a>              mSelection.append(<span class="jxr_string">" AND "</span>);
<a class="jxr_linenumber" name="55" href="#55">55</a>          }
<a class="jxr_linenumber" name="56" href="#56">56</a>  
<a class="jxr_linenumber" name="57" href="#57">57</a>          mSelection.append(<span class="jxr_string">"("</span>).append(selection).append(<span class="jxr_string">")"</span>);
<a class="jxr_linenumber" name="58" href="#58">58</a>          <strong class="jxr_keyword">if</strong> (selectionArgs != <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="59" href="#59">59</a>              <strong class="jxr_keyword">for</strong> (String arg : selectionArgs) {
<a class="jxr_linenumber" name="60" href="#60">60</a>                  mSelectionArgs.add(arg);
<a class="jxr_linenumber" name="61" href="#61">61</a>              }
<a class="jxr_linenumber" name="62" href="#62">62</a>          }
<a class="jxr_linenumber" name="63" href="#63">63</a>  
<a class="jxr_linenumber" name="64" href="#64">64</a>          <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">this</strong>;
<a class="jxr_linenumber" name="65" href="#65">65</a>      }
<a class="jxr_linenumber" name="66" href="#66">66</a>  
<a class="jxr_linenumber" name="67" href="#67">67</a>      <strong class="jxr_keyword">public</strong> <a href="../../../../../org/inftel/ssa/mobile/util/SelectionBuilder.html">SelectionBuilder</a> table(String table) {
<a class="jxr_linenumber" name="68" href="#68">68</a>          mTable = table;
<a class="jxr_linenumber" name="69" href="#69">69</a>          <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">this</strong>;
<a class="jxr_linenumber" name="70" href="#70">70</a>      }
<a class="jxr_linenumber" name="71" href="#71">71</a>  
<a class="jxr_linenumber" name="72" href="#72">72</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> assertTable() {
<a class="jxr_linenumber" name="73" href="#73">73</a>          <strong class="jxr_keyword">if</strong> (mTable == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="74" href="#74">74</a>              <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalStateException(<span class="jxr_string">"Table not specified"</span>);
<a class="jxr_linenumber" name="75" href="#75">75</a>          }
<a class="jxr_linenumber" name="76" href="#76">76</a>      }
<a class="jxr_linenumber" name="77" href="#77">77</a>  
<a class="jxr_linenumber" name="78" href="#78">78</a>      <strong class="jxr_keyword">public</strong> <a href="../../../../../org/inftel/ssa/mobile/util/SelectionBuilder.html">SelectionBuilder</a> mapToTable(String column, String table) {
<a class="jxr_linenumber" name="79" href="#79">79</a>          mProjectionMap.put(column, table + <span class="jxr_string">"."</span> + column);
<a class="jxr_linenumber" name="80" href="#80">80</a>          <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">this</strong>;
<a class="jxr_linenumber" name="81" href="#81">81</a>      }
<a class="jxr_linenumber" name="82" href="#82">82</a>  
<a class="jxr_linenumber" name="83" href="#83">83</a>      <strong class="jxr_keyword">public</strong> <a href="../../../../../org/inftel/ssa/mobile/util/SelectionBuilder.html">SelectionBuilder</a> map(String fromColumn, String toClause) {
<a class="jxr_linenumber" name="84" href="#84">84</a>          mProjectionMap.put(fromColumn, toClause + <span class="jxr_string">" AS "</span> + fromColumn);
<a class="jxr_linenumber" name="85" href="#85">85</a>          <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">this</strong>;
<a class="jxr_linenumber" name="86" href="#86">86</a>      }
<a class="jxr_linenumber" name="87" href="#87">87</a>  
<a class="jxr_linenumber" name="88" href="#88">88</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="89" href="#89">89</a>  <em class="jxr_javadoccomment">     * Return selection string for current internal state.</em>
<a class="jxr_linenumber" name="90" href="#90">90</a>  <em class="jxr_javadoccomment">     * </em>
<a class="jxr_linenumber" name="91" href="#91">91</a>  <em class="jxr_javadoccomment">     * @see #getSelectionArgs()</em>
<a class="jxr_linenumber" name="92" href="#92">92</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="93" href="#93">93</a>      <strong class="jxr_keyword">public</strong> String getSelection() {
<a class="jxr_linenumber" name="94" href="#94">94</a>          <strong class="jxr_keyword">return</strong> mSelection.toString();
<a class="jxr_linenumber" name="95" href="#95">95</a>      }
<a class="jxr_linenumber" name="96" href="#96">96</a>  
<a class="jxr_linenumber" name="97" href="#97">97</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="98" href="#98">98</a>  <em class="jxr_javadoccomment">     * Return selection arguments for current internal state.</em>
<a class="jxr_linenumber" name="99" href="#99">99</a>  <em class="jxr_javadoccomment">     * </em>
<a class="jxr_linenumber" name="100" href="#100">100</a> <em class="jxr_javadoccomment">     * @see #getSelection()</em>
<a class="jxr_linenumber" name="101" href="#101">101</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="102" href="#102">102</a>     <strong class="jxr_keyword">public</strong> String[] getSelectionArgs() {
<a class="jxr_linenumber" name="103" href="#103">103</a>         <strong class="jxr_keyword">return</strong> mSelectionArgs.toArray(<strong class="jxr_keyword">new</strong> String[mSelectionArgs.size()]);
<a class="jxr_linenumber" name="104" href="#104">104</a>     }
<a class="jxr_linenumber" name="105" href="#105">105</a> 
<a class="jxr_linenumber" name="106" href="#106">106</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> mapColumns(String[] columns) {
<a class="jxr_linenumber" name="107" href="#107">107</a>         <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i &lt; columns.length; i++) {
<a class="jxr_linenumber" name="108" href="#108">108</a>             <strong class="jxr_keyword">final</strong> String target = mProjectionMap.get(columns[i]);
<a class="jxr_linenumber" name="109" href="#109">109</a>             <strong class="jxr_keyword">if</strong> (target != <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="110" href="#110">110</a>                 columns[i] = target;
<a class="jxr_linenumber" name="111" href="#111">111</a>             }
<a class="jxr_linenumber" name="112" href="#112">112</a>         }
<a class="jxr_linenumber" name="113" href="#113">113</a>     }
<a class="jxr_linenumber" name="114" href="#114">114</a> 
<a class="jxr_linenumber" name="115" href="#115">115</a>     @Override
<a class="jxr_linenumber" name="116" href="#116">116</a>     <strong class="jxr_keyword">public</strong> String toString() {
<a class="jxr_linenumber" name="117" href="#117">117</a>         <strong class="jxr_keyword">return</strong> <span class="jxr_string">"SelectionBuilder[table="</span> + mTable + <span class="jxr_string">", selection="</span> + getSelection()
<a class="jxr_linenumber" name="118" href="#118">118</a>                 + <span class="jxr_string">", selectionArgs="</span> + Arrays.toString(getSelectionArgs()) + <span class="jxr_string">"]"</span>;
<a class="jxr_linenumber" name="119" href="#119">119</a>     }
<a class="jxr_linenumber" name="120" href="#120">120</a> 
<a class="jxr_linenumber" name="121" href="#121">121</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="122" href="#122">122</a> <em class="jxr_javadoccomment">     * Execute query using the current internal state as {@code WHERE} clause.</em>
<a class="jxr_linenumber" name="123" href="#123">123</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="124" href="#124">124</a>     <strong class="jxr_keyword">public</strong> Cursor query(SQLiteDatabase db, String[] columns, String orderBy) {
<a class="jxr_linenumber" name="125" href="#125">125</a>         <strong class="jxr_keyword">return</strong> query(db, columns, <strong class="jxr_keyword">null</strong>, <strong class="jxr_keyword">null</strong>, orderBy, <strong class="jxr_keyword">null</strong>);
<a class="jxr_linenumber" name="126" href="#126">126</a>     }
<a class="jxr_linenumber" name="127" href="#127">127</a> 
<a class="jxr_linenumber" name="128" href="#128">128</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="129" href="#129">129</a> <em class="jxr_javadoccomment">     * Execute query using the current internal state as {@code WHERE} clause.</em>
<a class="jxr_linenumber" name="130" href="#130">130</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="131" href="#131">131</a>     <strong class="jxr_keyword">public</strong> Cursor query(SQLiteDatabase db, String[] columns, String groupBy,
<a class="jxr_linenumber" name="132" href="#132">132</a>             String having, String orderBy, String limit) {
<a class="jxr_linenumber" name="133" href="#133">133</a>         assertTable();
<a class="jxr_linenumber" name="134" href="#134">134</a>         <strong class="jxr_keyword">if</strong> (columns != <strong class="jxr_keyword">null</strong>)
<a class="jxr_linenumber" name="135" href="#135">135</a>             mapColumns(columns);
<a class="jxr_linenumber" name="136" href="#136">136</a>         <strong class="jxr_keyword">if</strong> (LOGV)
<a class="jxr_linenumber" name="137" href="#137">137</a>             Log.v(TAG, <span class="jxr_string">"query(columns="</span> + Arrays.toString(columns) + <span class="jxr_string">") "</span> + <strong class="jxr_keyword">this</strong>);
<a class="jxr_linenumber" name="138" href="#138">138</a>         <strong class="jxr_keyword">return</strong> db.query(mTable, columns, getSelection(), getSelectionArgs(), groupBy, having,
<a class="jxr_linenumber" name="139" href="#139">139</a>                 orderBy, limit);
<a class="jxr_linenumber" name="140" href="#140">140</a>     }
<a class="jxr_linenumber" name="141" href="#141">141</a> 
<a class="jxr_linenumber" name="142" href="#142">142</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="143" href="#143">143</a> <em class="jxr_javadoccomment">     * Execute update using the current internal state as {@code WHERE} clause.</em>
<a class="jxr_linenumber" name="144" href="#144">144</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="145" href="#145">145</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> update(SQLiteDatabase db, ContentValues values) {
<a class="jxr_linenumber" name="146" href="#146">146</a>         assertTable();
<a class="jxr_linenumber" name="147" href="#147">147</a>         <strong class="jxr_keyword">if</strong> (LOGV)
<a class="jxr_linenumber" name="148" href="#148">148</a>             Log.v(TAG, <span class="jxr_string">"update() "</span> + <strong class="jxr_keyword">this</strong>);
<a class="jxr_linenumber" name="149" href="#149">149</a>         <strong class="jxr_keyword">return</strong> db.update(mTable, values, getSelection(), getSelectionArgs());
<a class="jxr_linenumber" name="150" href="#150">150</a>     }
<a class="jxr_linenumber" name="151" href="#151">151</a> 
<a class="jxr_linenumber" name="152" href="#152">152</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="153" href="#153">153</a> <em class="jxr_javadoccomment">     * Execute delete using the current internal state as {@code WHERE} clause.</em>
<a class="jxr_linenumber" name="154" href="#154">154</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="155" href="#155">155</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> delete(SQLiteDatabase db) {
<a class="jxr_linenumber" name="156" href="#156">156</a>         assertTable();
<a class="jxr_linenumber" name="157" href="#157">157</a>         <strong class="jxr_keyword">if</strong> (LOGV)
<a class="jxr_linenumber" name="158" href="#158">158</a>             Log.v(TAG, <span class="jxr_string">"delete() "</span> + <strong class="jxr_keyword">this</strong>);
<a class="jxr_linenumber" name="159" href="#159">159</a>         <strong class="jxr_keyword">return</strong> db.delete(mTable, getSelection(), getSelectionArgs());
<a class="jxr_linenumber" name="160" href="#160">160</a>     }
<a class="jxr_linenumber" name="161" href="#161">161</a> }
</pre>
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